adj. 上面的,高架的;头顶上的;(费用等)经常的,管理的;
n. 天花板;管理费用,经常费用;船舱的顶板;[体](网球等的)扣杀;
adv. 在头顶上;在空中;在楼上;向上;
over在上、在外、从上、越过 + head头 → 在头顶上的;架空的
🗣️ 情景例句
I have to sign copies of my book for a lot of people
我还必须为许多人在我的书上签名
Prompt delivery would be necessary as we have a fast turnover in this trade. We would therefore need your assurance that you could meet all delivery dates.
即期交货很重要,因为这种货流转很快。所以我们需要你方保证及时交货。
It was an important part of Native American's existence.